1; Jourdan DeVies, MS1; Elise Caruso, MPH1; Katharina L. van Santen, MSPH2; Shichao Tang, PhD1; Carla L. Black, PhD1; Kathleen P.
Hartnett, PhD1; Aaron Kite-Powell, MS1; Stephanie Dietz, PhD1; Matthew Lozier, PhD1; Adi V. Gundlapalli, MD, PhD1 (View author affiliations)Early in the pandemic, COVID-19 incidence was highest among older adults.During June–August 2020, COVID-19 incidence was highest in persons aged 20–29 years, who accounted for >20% of all confirmed cases.